Granted Patent
Utility
US 6,375,276 · App. 09/239,035
Railway brake system including enhanced pneumatic brake signal detection and associated methods
Inventor:
Dale H. Delaruelle
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Jan 27, 1999
Inventor
Dale H. Delaruelle
Assignee (at issue)
GE Harris Railway Electronics LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.